Q:1
What is the boot sequence of a linux server ?
Q:2
What is Hard disk driver or Hard disk module, are they different or same.
Explain.
Q:3 How
you will get the WWN number of HBA card installed in Linux
Q:4 How
to check RHEL Version ?
Q:5
What is network bonding and different levels of bonding ?
Q:6 How
to share a linux resource on windows machine ?
Q:7 How
to scan newly assigned SAN’S LUN on Linux server without rebooting ?
Q:8 How
to reset grub passwd and root passwd in linux ?
Q:9
What is journaling in linux ?
Q:10
What is difference between ext2 & ext3 and ext4 file system ?
Q:11
What are the steps to create LVM of newly created LUN ?
Q:12
How to see the tape device name in linux ?
Q:12
Power path Overview with software/driver installation on Linux servers ?
Q:13
What is RAID & different types of RAID levels ?
Q:14
What are the default ports used for smtp , ftp, ssh & samba ?
Q:15
How to calculate free size from free PE mentioned in VG Display ?
Q:16
LVM initialize on which stage in boot sequence ?
Q:17
What Grub and its different stages ?
Q:18 If
we have a File data.txt, How you will give permission as below
Group Name – finance, write only
Users – tom & jack only read
Users – bond , read write execute.
Group Name – finance, write only
Users – tom & jack only read
Users – bond , read write execute.
Q:19
How to change network interface name ifcfg-eth0 to ifcfg-nic0
Q:20
How to re-size the file system ?
Q:21
How to preserve the permission on tar backup ?
Q:22
How to set default gateway in different ways ?
Q:24
How to work in 2 different files with vi editor, How to copy paste & cut in
multiple files ?
Q:25
Difference between tar,cpio & dd backup ?
Q:26
How to increase size of swap in linux ?
Q:27
How to run a particular script in runlevel 3 ?
Q:28
What is meaning of “no_root_squash” in nfs ?
Q:29
What daemons run on nfs client ?
Q:30
How to check what are the driver installed in system ?
Q:31 What
is the format /etc/fstab file ?
Q:32
From where the command ‘rpm -qa’ find the installed packages ?
Q:33
What is the function of syslog ?
Q:34
How you check the bottle neck of slow server ?
Q:35
What is the basic format of NFS mount ?
Q:36
Differnce b/w automount FS and NFS
Q:37
What is the role of boot loader(GRUB) Stage 1.5 ?
Q:38
Difference between super block and data block ?
Q:39
How to check the version of package ?
Q:40
What is Set UID and GID ?
Q:41
What is sticky bit and where to use ?
Q:42
Difference between LVM1 and LVM2 ?
Q:43
What is role of $0, $? and $# in shell scripting ?
Q:44
How to find the MX record of a domain from the command line ?
Q:45
What is the limitation of fdisk command & where to use parted command ?
Q:46
What are Logical steps for PXE Server setup in linux ?
Q:47
What is the role of %pre & %post in kickstart ?
Q:48
What are the different fields of crontab file & cron log file ?
Q:49
what is the difference between -U & -F option in rpm command ?
Q:50
How will supply/Reset password for 50 user without typing password again &
again ?
Q:51
How will you get Module / Driver Information in linux ?
Q:52
How to check active ports in linux ?
Q:53
What is difference between sar and vmstat ?
Q:54 is
it possible to boot the system without /boot partition OR deleted /boot
partition ?
Q:55
How to change the complexity of password ?
Q:56
How to resolve if authentication failure (incorrect password ) ?
Q:57
How to change run level with in linux ?
Q:58
How will you load PAM module ?
Q:59 Is
there a way to check the current system kernel for 32-bit kernel vs. 64-bit
kernel?
Q:60
which file is responsible for forwarding (DNS) and what’s meaning of MX,PTR
record ?
Q:61
What are Zombie process and how to check Zombie Processes ?
Q:62
How will you differentiate defunct and running processes in linux ?
Q:63
How to run job in background ?
Q:64
What is anacron & where to use anacron ?
Q:65
What is the role and size of MBR ?
Q:66
How to set grub boot loader password ?
Q:67
How to set the date in IST FORMAT from the command line ?
Q:68
How to check nfs version and release ?
Q:69
what is static and dynamic route in linux ?
Q:70
How to check whether oracle is installed or not in unix ?
Q:71
How to check which nfs share is mounted ?
Q:72
How to mount ISO file in linux ?
Q:73
what is LDS certificate ?
Q:74
How will you patch older kernel version in Linux machine ?
Q:75
What is the difference between yast & yast2 command ?
Q:76
How will you deactivate mouse in RHEL and which service is resposible for that
?
Q:77
What is ssh port forwarding ?
Q:78
How to patch linux servers using spacewalk ?
Q:79
What is the difference between RHN and Spacewalk ?
Q:80
How to recover deleted LVM partitions in linux ?
Q:81
How will you use trap and shift command in unix ?
Q:82
What are different components of Postfix Mail Server ?
Q:83
What is the use of SPF record & Domain Keys in mail server ?
Q:84
What is difference between NFS3 & NFS4 ?
Q:85
What is use of lsof command ?
Q:86
How will you check last week accessed files ?
Q:87
what is the use of ‘exec’ & ‘ok’ option in find command ?
Q:88
Give one exmaple of suid, sgid and Sticky bit ?
Q:89
How to reset failed login counts in linux ?
Q:90
What is the use of .netrc file in linux ?
Q:91
How to integrate Linux Servers with Microsoft Active Directory ?
Q:92
What is use of xargs with find command ?
Q:93
What are the different states of a process in linux/unix ?
Q:94
What is the use of ACLs in linux and how to implement ACLs ?
Q:95
What is the difference between useradd and adduser ?
Q:96
What is LVM Snapshot and use of lvm snapshot ?
Q:97
How to check yum repositry information & clear yum cache in linux ?
Q:98
How to create yum repository locally ?
Q:99
What is the role fencing in redhat cluster ?
Q:100
How to gracefully shutdown two node linux cluster in case of planned power
outage ?
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